The Vinylsulfonic acid with the CAS number 1184-84-5 is also called ethylenesulfonic acid. Both the systematic name and IUPAC name are ethenesulfonic acid. Its EINECS registry number is 214-676-1. The molecular formula is C₂H₄O₃S.

The properties of the chemical are: (1)# of Rule of 5 Violations: 0 ; (2)ACD/BCF (pH 5.5): 1; (3)ACD/BCF (pH 7.4): 1; (4)ACD/KOC (pH 5.5): 1; (5)ACD/KOC (pH 7.4): 1; (6)#H bond acceptors: 3; (7)#H bond donors: 1; (8)#Freely Rotating Bonds: 1; (9)Polar Surface Area: 62.75 Å²; (10)Index of Refraction: 1.482; (11)Molar Refractivity: 21.42 cm³; (12)Molar Volume: 75.181 cm³; (13)Polarizability: 8.491×10^-24cm³; (14)Surface Tension: 50.732 dyne/cm.

You can still convert the following datas into molecular structure:
(1)SMILES: C=CS(=O)(=O)O
(2)InChI: InChI=1/C2H4O3S/c1-2-6(3,4)5/h2H,1H2,(H,3,4,5)
(3)InChIKey: NLVXSWCKKBEXTG-UHFFFAOYAA